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moonrockmushy
High on Spite



Registered: 07/01/05
Posts: 19,067
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Re: Can you feel changes in blood pressure? [Re: koods]
#23893562 - 12/04/16 11:42 AM (7 years, 1 month ago) |
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Yeah getting high blood pressure might fix that, but I think a better option would be tuning your body's sympathetic nervous system through exercise and not being such a pothead.
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Supachopped719
Stranger


Registered: 10/16/13
Posts: 3,311
Last seen: 3 years, 10 months
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Re: Can you feel changes in blood pressure? [Re: koods]
#23893572 - 12/04/16 11:45 AM (7 years, 1 month ago) |
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Quote:
koods said:
Quote:
Sheekle said: What is the light-headness or pressure I feel in my head, if not blood pressure changes?
That's not really a systemic change in your blood pressure, it's just a adjustment to the distribution of blood to your head. When you stand up, changes are required to valves and arteries in your chest and neck to counteract the effect of gravity to maintain the same blood pressure. Sometimes it takes a few seconds to make these changes and readjust to the body's position.
Wrong.
-------------------- Real Eyes Realize Real Lies.
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koods
Ribbit



Registered: 05/26/11
Posts: 106,066
Loc: Maryland/DC Burbs
Last seen: 5 hours, 9 minutes
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Re: Can you feel changes in blood pressure? [Re: moonrockmushy]
#23893596 - 12/04/16 11:51 AM (7 years, 1 month ago) |
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Exhaling while standing makes orthostatic hypotension worse. A lung full of air resists gravity when you stand. Stupid kids will even press their chest and hold a deep breath, then exhale while standing to induce passing out.
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NotSheekle said “if I believed she was 16 I would become unattracted to her”
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koods
Ribbit



Registered: 05/26/11
Posts: 106,066
Loc: Maryland/DC Burbs
Last seen: 5 hours, 9 minutes
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Re: Can you feel changes in blood pressure? [Re: Supachopped719]
#23893606 - 12/04/16 11:54 AM (7 years, 1 month ago) |
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Quote:
Supachopped719 said:
Quote:
koods said:
Quote:
Sheekle said: What is the light-headness or pressure I feel in my head, if not blood pressure changes?
That's not really a systemic change in your blood pressure, it's just a adjustment to the distribution of blood to your head. When you stand up, changes are required to valves and arteries in your chest and neck to counteract the effect of gravity to maintain the same blood pressure. Sometimes it takes a few seconds to make these changes and readjust to the body's position.
Wrong.


Quote:
Orthostatic hypotension, also known as postural hypotension[1] or shortened to orthostasis and colloquially called head rush, occurs when a person's blood pressure falls when suddenly standing up from a lying or sitting position. It is defined as a fall in systolic blood pressure of at least 20 mm Hg or diastolic blood pressure of at least 10 mm Hg when a person assumes a standing position. It occurs predominantly by delayed constriction of the lower body blood vessels, which is normally required to maintain an adequate blood pressure when changing position to standing.
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NotSheekle said “if I believed she was 16 I would become unattracted to her”
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pinedownpioneer

Registered: 03/28/10
Posts: 2,536
Loc: TX
Last seen: 4 years, 8 months
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Re: Can you feel changes in blood pressure? [Re: koods]
#23893739 - 12/04/16 12:31 PM (7 years, 1 month ago) |
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My pulmonary function is 120% above normal. Cheers to having good genes and a healthy active lifestyle from childhood to adulthood.
-------------------- Trade list Need kratom? Message me now.
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CookieCrumbs
Fucked off to the pub


Registered: 12/10/11
Posts: 14,146
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Re: Can you feel changes in blood pressure? [Re: moonrockmushy]
#23893777 - 12/04/16 12:40 PM (7 years, 1 month ago) |
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Quote:
moonrockmushy said:
Yeah getting high blood pressure might fix that, but I think a better option would be tuning your body's sympathetic nervous system through exercise and not being such a pothead.
Coincidentally I had high readings as a teenager until I started smoking weed regularly. I was in the green for years until I had to stop being a pothead.
I wish that was more studied because I know I was stressed out as fuck as a teenager so it wasn't the stress relieving properties of the plant that was doing it (or at least not just that.)
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Free time is the only time
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moonrockmushy
High on Spite



Registered: 07/01/05
Posts: 19,067
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Re: Can you feel changes in blood pressure? [Re: CookieCrumbs]
#23893789 - 12/04/16 12:43 PM (7 years, 1 month ago) |
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Yeah the only thing that really ever gave me lightheadedness upon standing was weed. It is a well-known vasodilator, and I'm guessing there are other subtle mechanisms at work too.
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